Get rid of UDP connections, let's add them in later
Get rid of TCP Cubic, and in general TCP/Linux, it's buggy.
assert has syntax error for some reason; switch to if
Explanatory comments
Make DropTail limit_ large, but not so large that it has an integer overflow.
Use sub_qdisc to pick between PropFair & max. weight alpha scheduling
Rename variables to begin with a t_; make constexpr static all CAPS
cell-link.tcl includes sub_qdisc to pick between maxweightalpha & propfair
Implement get_service_rate() for FcfsScheduler
Make default headroom 0.0